op {
  graph_op_name: "MultiDeviceIteratorToStringHandle"
  in_arg {
    name: "multi_device_iterator"
    description: <<END
A MultiDeviceIterator resource.
END
  }
  out_arg {
    name: "string_handle"
    description: <<END
A string representing the resource.
END
  }
  summary: "Produces a string handle for the given MultiDeviceIterator."
  visibility: HIDDEN
}
